Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2381
Points per Word
0.00021
Page Count
32
Points per Page
0.015625
Description
This introduction to rocks explains where they are found, what they look like, and how the three types of rocks, including igneous, sedimentary, and metamorphic, are formed.